Intravenous regional anesthesia, also called Bier block anesthesia, is an anesthetic technique on the body extremities in which a local anesthetic is injected intravenously and isolated from general circulation in a target area. The technique usually involves exsanguination of the target region, forcing blood out of the extremity, followed by application of a pneumatic tourniquet to safely stop blood flow; the anesthetic agent is then introduced intravenously into the limb and allowed to diffuse into the surrounding tissue while the tourniquet retains it within the desired area.
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Wikipedia contributors, Wikimedia Foundationhttps://en.wikipedia.org/wiki/Intravenous_regional_anesthesia, lead sectionQuote, https://en.wikipedia.org/wiki/Intravenous_regional_anesthesia, lead section
Intravenous regional anesthesia (IVRA) or Bier's block anesthesia is an anesthetic technique on the body's extremities where a local anesthetic is injected intravenously and isolated from circulation in a target area.
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